Effects of adult tree density, distance to coast and understory on natural regeneration of Pinus thunbergii coastal protection forest in Yantai Region
ZHANG Zhi-dong, HAN Guang-xuan, MAO Pei-li, WANG Guang-mei, XUE Qin-zhao
JOURNAL OF NATURAL RESOURCES . 2009, (5): 782 -790 .  DOI: 10.11849/zrzyxb.2009.05.004